Studies of the Nebulae: Made at the Lick Observatory, University of California, at Mount Hamilton, California, and Santiago, Chile, Volume 13University of California Press, 1918 - 268 pages |
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Page 7
... Nebulae and Clusters Photographed with the Crossley Reflector , by H. D. Curtis PART II . - A Study of Occulting Matter in the Spiral Nebulae , by H. D. Curtis PART III . - The Planetary Nebulae , by H. D. Curtis PART IV . - The ...
... Nebulae and Clusters Photographed with the Crossley Reflector , by H. D. Curtis PART II . - A Study of Occulting Matter in the Spiral Nebulae , by H. D. Curtis PART III . - The Planetary Nebulae , by H. D. Curtis PART IV . - The ...
Page 11
... spirals seen edgewise or nearly so show interesting evidence of absorption effects . These have been discussed , and seventy - nine illustrations reproduced in a separate paper in this volume , " A Study of Occulting Matter in the Spiral ...
... spirals seen edgewise or nearly so show interesting evidence of absorption effects . These have been discussed , and seventy - nine illustrations reproduced in a separate paper in this volume , " A Study of Occulting Matter in the Spiral ...
Page 12
... spiral nebulae . 56 diffuse nebulosities . 36 globular clusters . 24 sparse clusters . 78 planetary nebulae . 8 " dark " nebulae . 47 unclassified , non - existent , etc. For many of the smaller nebulae the description reads : " No trace of ...
... spiral nebulae . 56 diffuse nebulosities . 36 globular clusters . 24 sparse clusters . 78 planetary nebulae . 8 " dark " nebulae . 47 unclassified , non - existent , etc. For many of the smaller nebulae the description reads : " No trace of ...
Page 14
... spiral nebulae in the vicinity of the north galactic pole , and the fact that this programme deals primarily with the regions containing the spirals , it is necessary to investigate further any possible effect which this concentration ...
... spiral nebulae in the vicinity of the north galactic pole , and the fact that this programme deals primarily with the regions containing the spirals , it is necessary to investigate further any possible effect which this concentration ...
Page 18
... nebula . None of the many small nebulae on this plate appear to coincide with N. G. C. 21 ( Swift ) . 41 s.n. A small , fairly bright , p - type spiral , not noted in the N. G. C. Somewhat irregular spiral 1.5 x 0.5 in p . a . 160 ...
... nebula . None of the many small nebulae on this plate appear to coincide with N. G. C. 21 ( Swift ) . 41 s.n. A small , fairly bright , p - type spiral , not noted in the N. G. C. Somewhat irregular spiral 1.5 x 0.5 in p . a . 160 ...
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Studies of the Nebulae: Made at the Lick Observatory, University ..., Volume 13 Lick Observatory,Joseph Haines Moore Affichage du livre entier - 1918 |
Expressions et termes fréquents
appears bright bands bright lines brighter Campbell N₁ central portion central star continuous spectrum dark lane DETAILS OF OBSERVATION diameter diffuse nebulosity disk edge elongated exposure faint fainter figure g slitless Greater Magellanic Cloud H N₁ N₂ Haynes hydrogen hydrogen lines inclination km./sec Lick Obs LICK OBSERVATORY line Ia long Hẞ M. T. Exp major axis minor axis Miss Hobe N Miss Hobe N₁ moderately bright Moore Miss Hobe Moore N Moore N₁ N₂ N₁ N₂ Hẞ N₂ HB N₂ Hẞ Hy nearly round nucleus band object Orion nebula photographic planetary nebulae radial velocity region relative intensities ring Ring Nebula rotation s.n. Planetary Scott N Scott N₁ Sept Slit long small nebulae spectra spectrograms spiral nebulae spiral structure star of magn stellar condensations stellar nucleus ultra-violet under-exposed wave-lengths whorls Wolf-Rayet Wolf-Rayet stars Ηβ Ηγ